EP0839007B1 - Boissons stables renfermant une emulsion contenant une huile non chargee - Google Patents

Boissons stables renfermant une emulsion contenant une huile non chargee Download PDF

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Publication number
EP0839007B1
EP0839007B1 EP96918497A EP96918497A EP0839007B1 EP 0839007 B1 EP0839007 B1 EP 0839007B1 EP 96918497 A EP96918497 A EP 96918497A EP 96918497 A EP96918497 A EP 96918497A EP 0839007 B1 EP0839007 B1 EP 0839007B1
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EP
European Patent Office
Prior art keywords
emulsion
beverage
oil
particle size
beverage products
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EP96918497A
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German (de)
English (en)
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EP0839007A1 (fr
Inventor
Matthew Joel Taylor
Paul Ralph Bunke
Phillip Floyd Pfaumer
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Sunny Delight Beverages Europe SARL
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Procter and Gamble Co
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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Preparation or treatment thereof
    • A23L2/52—Adding ingredients
    • A23L2/62—Clouding agents; Agents to improve the cloud-stability
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L35/00—Foods or foodstuffs not provided for in groups A23L5/00 - A23L33/00; Preparation or treatment thereof
    • A23L35/10—Emulsified foodstuffs

Definitions

  • the present invention relates to stable beverage products and processes for preparing them.
  • the stable beverages of the present invention comprise an emulsion which contains an unweighted oil, water and a food-grade stabilizer.
  • the emulsion has an optimal droplet size, and a particular ratio of stabilizer to oil, in order to provide both physical stability and opacity to the product.
  • Beverage products with a cloudy or opaque appearance are well known in the art.
  • the cloudy or opaque appearance of these beverage products is typically produced by incorporating a beverage emulsion into the beverage.
  • Beverage emulsions can be classified as either flavor emulsions or cloud emulsions.
  • Beverage flavor emulsions provide the beverage with flavor and cloudiness, whereas beverage cloud emulsions provide primarily cloudiness.
  • Both types of beverage emulsions are composed of an oil phase and a water phase and they are classified as oil-in-water emulsions. In an oil-in-water emulsion the oil phase is uniformly dispersed in the continuous water phase in the form of fine droplets. It is this oil droplet dispersion that gives a beverage its cloudy or opaque appearance.
  • An emulsion is thermodynamically an unstable system which has a tendency to revert to its original state of two immiscible liquids (two phase system). If the oil phase is lighter than the aqueous phase of the beverage, it will separate and rise to the top of the container. This phenomenon is described as creaming and can manifest itself by an unsightly condition known as ringing in the neck of the bottle containing the beverage product. If the oil phase is heavier than the aqueous phase of the beverage, it will settle to the bottom of the container. This condition is referred to as sedimentation and usually appears as a sediment in the bottom of the bottle containing the beverage product.
  • weighting agent In order to prevent ringing or creaming when the oil phase is lighter than the aqueous phase of the beverage, a weighting agent is typically incorporated into the oil phase of a beverage emulsion.
  • Weighting agents can also be called density adjusting agents, because they are added to flavor oils in order to increase the oil phase density. They are materials that are oil soluble, that have little or no flavor of their own, and that have densities higher than flavor oils.
  • BVO brominated vegetable oil
  • ester gum is a material approved by the FDA for use as a weighting agent but with a limit of 100 ppm maximum in beverages.
  • the permitted weighting agent is sucrose acetate isobutyrate, and for countries belonging to the Council of Europe, dammar gum.
  • the shortcomings of all of these weighting agents are that none of them are universally approved by all countries and they have a much lower density than BVO. Because of the lower density of ester gum, sucrose acetate isobutyrate and dammar gum compared to BVO, beverages which contain emulsions containing these weighting agents tend to exhibit creaming or ringing.
  • EP-A-108 594 discloses a ready-to-drink beverage comprising a glyceride fat based clouding emulsion which comprises 10% to 30% by weight of gum arabic, a gum arabic to glyceride fat ratio of from 3:1 to 5:1 by weight, and specific amount of water and flavor such as citrus flavor.
  • the emulsion used herein has a particular ratio of stabilizer to oil and a particular mean particle size and particle size distribution for the oil droplets within the emulsion.
  • the present invention relates to stable beverage products.
  • the beverage products of the present invention comprise an oil-in-water beverage emulsion which comprises an unweighted oil, water and a food grade stabilizer.
  • the ratio of the stabilizer to the unweighted oil within the beverage emulsion is at least 0.5:1.
  • the mean particle size of the oil droplets present in the emulsion ranges from 0.10 to 0.30 microns.
  • the particle size distribution of the oil droplets in the emulsion is such that less than 3% (volume percent basis) of the particles have a particle size greater than 0.39 microns and less than 9% of the particles have a particle size of greater than 0.34 microns (volume percent basis).
  • the beverage products of the present invention further comprise a fruit juice and/or fruit or other flavor.
  • the beverage products of the present invention are stable at temperatures ranging from 32°C to 38°C for at least about 1 month.
  • the present invention also relates to a process for preparing stable beverage products.
  • This process comprises incorporation into a beverage of a beverage emulsion wherein the ratio of the stabilizer to the unweighted oil within the beverage emulsion is at least 0.5:1, wherein the mean particle size of the oil droplets present in the emulsion ranges from 0.10 to 0.30 microns, and wherein the particle size distribution of the oil droplets in the emulsion is such that less than 3% (volume percent basis) of the particles have a particle size greater than 0.39 microns and less than 9% of the particles have a particle size of greater than 0.34 microns (volume percent basis).
  • the present invention relates to stable beverage products.
  • the beverage products of the present invention comprise a fruit juice and/or fruit or other flavor and a beverage emulsion.
  • the beverage emulsion comprises an unweighted oil, water and a food grade stabilizer.
  • the ratio of the stabilizer to the unweighted oil within the emulsion is at least 0.5:1.
  • the mean particle size of the oil droplets present in the emulsion ranges from 0.10 to 0.30 microns.
  • the particle size distribution of the oil droplets in the emulsion is such that less than 3% (volume percent basis) of the particles have a particle size greater than 0.39 microns and less than 9% of the particles have a particle size of greater than 0.34 microns (volume percent basis).
  • Beverage products which contain emulsions having the hereinbefore described ratio of stabilizer to oil, mean oil droplet size and particle size distribution will exhibit little or no sedimentation and little or no oil separation or ringing, even though the emulsion does not contain weighting agents.
  • the beverage products of the present invention can be carbonated or noncarbonated, but are preferably noncarbonated.
  • noncarbonated refers to beverage products which contain less than one volume of carbonation. If desired for manufacturing convenience, the product can be pressurized with nitrogen or other inert gases according to standard practice in the soft drink industry.
  • the beverage products of the present invention can also be chilled or unchilled (e.g., stored at ambient temperatures), but are typically stored at ambient temperatures.
  • the present invention also relates to a process for preparing stable beverage products.
  • This process comprises incorporation into the beverage of a beverage emulsion wherein the ratio of the stabilizer to the unweighted oil within the beverage emulsion is at least 0.5:1, wherein the mean particle size of the oil droplets present in the emulsion ranges from 0.10 to 0.30 microns, and wherein the particle size distribution of the oil droplets in the emulsion is such that less than 3% (volume percent basis) of the particles have a particle size greater than 0.39 microns and less than 9% of the particles have a particle size of greater than 0.34 microns (volume percent basis).
  • beverage products of the present invention and a process for making these beverage products are described in detail as follows:
  • the beverage products of the present invention must comprise a beverage emulsion.
  • the emulsion can be a cloud emulsion or a flavor emulsion, but is preferably a cloud emulsion.
  • the emulsion is an oil-in-water emulsion comprising an unweighted oil, water and a food grade stabilizer.
  • the unweighted oil component can comprise any unweighted digestible or nondigestible oil from any animal or vegetable source, including, for example, terpene hydrocarbons, vegetable oils, flavor oils, nondigestible polyol polyesters such as those described in U.S. Patent 3,600,186; Mattson et al; Issued August 1971 and U.S. Patent 4,005,195; Jandacek et al; Issued January 1977, or mixtures thereof.
  • the unweighted oil component preferably comprises a vegetable oil.
  • High oleic sunflower oil (HOSO) is especially preferred for use as the unweighted oil component herein.
  • the unweighted oil component is typically present in an amount ranging from 3 % to 12 % by weight of the emulsion.
  • the unweighted oil component is present in an amount ranging from 4 to 8 % by weight of the emulsion, more preferably from 5 to 7 %.
  • the water component of the emulsion used in the beverage products herein is typically present in an amount ranging from 70 to 90 % by weight of the emulsion.
  • the water is present in an amount ranging from 80 % to 87 % by weight of the emulsion, more preferably from 81 to 85 % by weight.
  • the stabilizer can include, for example, hydrophilic colloidal stabilizers commonly known in the art such as gum arabic, gelatin, xanthan, locust bean, and pectin; anionic polymers derived from cellulose (e.g., carboxymethylcellulose), which are water soluble and tolerant of low pH's encountered in citrus fruits; various starch alkenylsuccinates, or mixtures thereof.
  • hydrophilic colloidal stabilizers commonly known in the art such as gum arabic, gelatin, xanthan, locust bean, and pectin
  • anionic polymers derived from cellulose e.g., carboxymethylcellulose
  • various starch alkenylsuccinates e.g., starch alkenylsuccinates
  • Modified starches which are treated so that they contain hydrophobic as well as hydrophilic groups, such as those described in U.S. Patent 2,661,349 to Caldwell and Wurzburg, are preferred for use herein.
  • Octenyl succinate modified starches such as those described in U.S. Patent 3,455,838 to Marotta et al., and U.S. Patent 4,460,617 to Barndt et al., are highly preferred.
  • Modified starches can be prepared by a standard esterification reaction of a starch and a reagent (e.g., substituted cyclic dicarboxylic acid anhydrides) where the reagent and the starch suspended in water are mixed under alkaline conditions. See, for example, Modified Starches: Properties and Uses, O. B. Wurzburg, editor, 1986, CRC Press, Boca Raton Florida, pages 136-137.
  • a reagent e.g., substituted cyclic dicarboxylic acid anhydrides
  • the stabilizer component of the emulsion used in the beverage products herein is typically present in an amount ranging from 6 to 15 % by weight of the emulsion.
  • the stabilizer is present in an amount ranging from 7 % to 12 % by weight of the emulsion, more preferably from 8 to 11 % by weight.
  • the ratio of the stabilizer to the oil present in the emulsion is at least 0.5:1.
  • the ratio of the stabilizer to the oil present in the emulsion ranges from 0.5:1 to 3:1, preferably from 0.8:1 to 2:1, most preferably from 1:1 to 1.5:1.
  • the stability of the emulsion increases. Beverages which contain emulsions wherein the ratio of stabilizer to oil in the emulsion is lower than 0.5:1 will not necessarily be stable (e.g., they may exhibit creaming or ringing).
  • beverages products which contain emulsions wherein the ratio of stabilizer to oil present in the emulsion is greater than 3:1 will probably be stable, increasing the ratio above 3:1 does not appear to provide additional stability benefits and can increase the cost.
  • the mean particle size of the oil droplets present in the emulsion ranges from 0.10 to 0.30 microns, preferably from 0.15 to 0.25 microns, most preferably from 0.18 to 0.22 microns.
  • the particle size distribution of the oil droplets in the emulsion is such that less than 3%, preferably less than 1%, most preferably less than 0.2% (volume percent basis) of the particles have a particle size greater than 0.39 microns and less than 9%, preferably less than 3%, most preferably less than 1% of the particles have a particle size of greater than 0.34 microns (volume percent basis).
  • unweighted emulsions in which more than 3 % of the oil droplets are larger than 0.39 microns, and/or in which more than 9 % of the oil droplets are larger than 0.34 microns will not necessarily be stable in the beverage products herein, and the beverage products containing them can exhibit creaming or ringing.
  • the emulsion is typically included in the beverage products herein in an amount ranging from 0.2 to 5 % by weight of the beverage product, preferably from 0.5 % to 3 %, most preferably from 0.8 % to 2 % by weight of the beverage product.
  • Oil-in-water emulsions of the type described herein, wherein the oil droplets have the mean particle size and particle size distribution hereinbefore described can be prepared by any known method, such as, for example, subjecting the emulsion to high temperature and/or high pressure and/or multiple pass homogenization.
  • a two-stage homogenizer such as the Gaulin M3 (APV-Gaulin Co., Everett, MA) equipped with either the standard or cell disruption valve and with the second stage comprising about 10% of the total pressure, is especially preferred for use herein.
  • the second stage provides controlled back pressure ensuring the maximum efficiency of the first stage, and at the same time it minimizes the possibility of clumping and coalescence of the oil droplets in the emulsion.
  • the pressure setting for the first stage homogenization is usually at least 2500 (17225 kPas), typically from (3000 to 9000 psig) 20670 to 620.10 kPas, preferably from about (4000 to about 7000 psig.) 27560 to 48230 kPas
  • the emulsion is homogenized from 2 to 5 times (number of passes through the homogenizer), preferably 3 times.
  • the temperature of the emulsion ranges from about ambient to 190°F (88°C), preferably between 100°F (38°C) and 150°F (66°C). In general as the temperature of the emulsion and the pressure at which the homogenizer is operated increases, the number of passes necessary to obtain the requisite particle size for the oil droplets within the emulsion decreases.
  • the beverage products of the present type also typically include a fruit juice and/or fruit or other flavor component.
  • the fruit juice can be any citrus juice, non-citrus juice or mixture thereof, which are known for use in beverage products.
  • fruit juices include, but are not limited to, non-citrus juices such as apple juice, grape juice, pear juice, nectarine juice, currant juice, raspberry juice, gooseberry juice, blackberry juice, strawberry juice, custard-apple juice, pomegranate juice, guava juice, kiwi juice, mango juice, papaya juice, watermelon juice, cantaloupe juice, cherry juice, cranberry juice, pineapple juice, peach juice, apricot juice, plum juice and mixtures thereof, and citrus juices such as orange juice, lemon juice, lime juice, grapefruit juice, tangerine juice and mixtures thereof.
  • Other fruit juices, and nonfruit juices, such as vegetable or botanical juices can be used as the juice component of the beverages herein.
  • the beverages prepared according to the present invention contain at least 0.001%, typically from 0.001% to 80% of a fruit juice and/or fruit or other flavor, preferably from 0.01 % to 20 % fruit juice and/or fruit or other flavor, and more preferably from 2 % to 10 % fruit juice and/or fruit or other flavor.
  • the fruit juice can be incorporated into the beverage product as a puree, comminute or as a single strength or concentrated juice. Most preferred is the incorporation of a fruit juice as a concentrate with a solids content (primarily as sugar solids) of between 20° and 80° Brix.
  • beverage products of the present invention can also contain fruit or other flavors, alone or in combination with fruit juice.
  • the beverage products of the present invention also typically contain an added water component.
  • the added water component can comprise up to 99.8%, typically from 20% to 99.8% of the beverage, preferably from 70 to 99.8% of the beverage, and more preferably from 80 % to 90%.
  • the added water component does not include water incidentally added to the beverage via other added materials, such as, for example, the fruit juice component or the emulsion.
  • the beverage products of the present invention can also optionally contain a sweetener.
  • the sweetener can include, for example, maltose, sucrose, glucose, fructose, invert sugars and mixtures thereof. These sugars can be incorporated into the beverage products in solid or liquid form, but are typically incorporated as a syrup, more preferably as a concentrated syrup such as high fructose corn syrup.
  • these optional sweeteners can be provided to some extent by other components of the beverage products, such as by the fruit juice component, optional flavorants, and so forth.
  • Sweeteners are typically employed in the process of the present invention in amounts ranging from 0.01% to 20%, more preferably from 6% to 14%, sugar solids by weight of the beverage products
  • Preferred carbohydrate sweeteners for use in the beverage products of the present invention are sucrose, fructose, glucose, and mixtures thereof.
  • Fructose can be obtained or provided as liquid fructose, high fructose corn syrup (HFCS), dry fructose or fructose syrup, but is preferably provided as high fructose corn syrup.
  • High fructose corn syrup is commercially available as HFCS-42, HFCS-55 and HFCS-90, which comprise 42%, 55% and 90%, respectively, by weight of the sugar solids therein of fructose.
  • Optional artificial or noncaloric sweeteners can be used alone or in combination with carbohydrate sweeteners in the beverage products of the present invention. They include, for example, saccharin, cyclamates, acetosulfam, L-aspartyl-L-phenyalanine lower alkyl ester sweeteners (e.g., aspartame).
  • L-aspartyl-D-alanine amides disclosed in U. S. Patent 4,411,930 to Brennan et al. L-aspartyl-D-serine amides disclosed in U. S. Patent 4,399,163 to Brennan et al., L-aspartyl-L-1-hydroxymethyl-alkaneamide sweeteners disclosed in U. S.
  • Patent 4,338,346 to Brand L-aspartyl-1-hydroxyethylakaneamide sweeteners disclosed in U. S. Patent 4,423,029 to Rizzi, L-aspartyl-D-phenylglycine ester and amide sweeteners disclosed in European Patent Application 168,112 to J. M. Janusz, published January 15, 1986, and the like.
  • a particularly preferred sweetener is aspartame.
  • Artificial or noncaloric sweeteners, if used, are typically employed in an amount ranging from about 0.01% to about 1%, preferably from about 0.05% to about 0.10% by weight of the beverage products.
  • the beverage products of the present invention can also optionally contain anti-microbial preservative(s).
  • Any food grade preservative can suitably be used in the beverage products of the present invention.
  • Suitable preservatives include sorbic acid, benzoic acid, alkali metal salts thereof, sodium polyphosphates, and mixtures thereof.
  • Preferred preservatives include sorbic acid, potassium sorbate, sodium sorbate, sodium hexametaphosphate, and mixtures thereof. A mixture of potassium sorbate and sodium hexametaphosphate is most preferred for use herein.
  • the preservative is typically present in an amount ranging from 0.02% to 0.3% by weight of the beverage product, preferably from 0.04% to 0.2%, more preferably from 0.1% to 0.2%.
  • the beverage products of the present invention can also optionally contain additional thickeners.
  • suitable thickeners for use in the process of the present invention include, for example, carboxymethylcellulose (CMC), xanthan gum, gellan, locust bean, guar, carrageenan, propylene glycol alginate, pectin, and mixtures thereof.
  • CMC and xanthan gum, and in particular a blend of CMC and xanthan gum, is especially preferred for use herein.
  • the thickener is typically present in an amount ranging from 0.0025% to 0.20%, preferably from 0.0025% to 0.1%, most preferably from 0.005% to 0.05%.
  • the beverage products of the present invention can also be fortified with various vitamins and minerals. Especially preferred are vitamins A, B, C, and E, although it is understood that other vitamins and minerals can also be used.
  • the beverage products of the present invention can also contain a soluble calcium source comprising specific ratios of calcium, citrate and malate. See U.S. Patent 4,737,375; Issued April 12, 1988; to Nakel et al.
  • the stable beverage products of the present invention can be prepared by conventional methods for formulating dilute juice beverages. Methods for making dilute juice beverages, for example, are described in U.S. 4,737,375 to Nakel et al. Methods for making beverage products are also described by Woodroof and Phillips, Beverages: Carbonated & Noncarbonated, AVI Publishing Co. (rev. ed. 1981); and by Thorner and Herzberg, Non-alcoholic Food Service Beverage Handbook , AVI Publishing Co. (2nd ed. 1978).
  • One method for preparing the beverage products herein involves making a beverage concentrate, adding to it a sugar syrup, and then trimming the mixture with water, sugar syrup, and beverage concentrate to the desired material composition.
  • the beverage concentrate can be prepared by admixing to water a beverage emulsion of the type described herein, acidulant, water soluble vitamins, flavorants, including juice concentrates, and preservatives.
  • the sugar syrup for use in preparing the beverage product is separately prepared by adding sugar syrup (e.g., high fructose corn syrup) to water, and then adding ascorbic acid and thickening agents to the syrup. Preservatives can be added to the resulting sugar syrup.
  • the sugar syrup and the concentrate are combined to form a beverage product It can then be packaged and stored, or pasteurized, packaged and stored, or packaged, sterilized, and stored, or sterilized, packaged, and stored. It is understood that other methods, such as the methods described hereinafter in the EXAMPLES section, can be used to prepare the beverage products herein.
  • the key process of the present invention is the incorporation into a beverage product of an unweighted emulsion of the type described herein.
  • the beverage products of the present invention are stable for at least about 1 month at 90-100°F (32-38°C) , preferably at least about 2 months at 90-100 F, most preferably at least about 3 months at 90-100 F.
  • a beverage is considered to be stable for purposes of this invention until the bottle containing the beverage exhibits a continuous ring of at least 0.5 mm.
  • the size and distribution of the emulsion droplets are measured with a Horiba LA-900 Particle Size Distribution Analyzer (Horiba Instruments, Inc., Irvine, CA) using software version 1.81c.
  • the Horiba quantitates the distribution of particles in 74 discrete channels within the overall particle size measurement range of 0.04 to 1200 microns (diameter of particles).
  • a sample of emulsion is added to the mixing chamber (which is filled with distilled water and with the circulation and agitation on), and allowed to disperse until the transmittance is approximately 90% (typically required several drops of emulsion).
  • the dispersed sample is sonicated for 1 min, and then measured for 1 min.
  • the results are displayed using form of distribution number one, a relative refractive index of 1.19, and the volume distribution base. Other similar measurement conditions are also applicable.
  • the mean droplet size which is the diameter in microns of the average oil droplet, is calculated.
  • the % of the emulsion larger than 0.39 microns, and the % larger than 0.34 microns, is also calculated.
  • Emulsions 1-6 and Comparative Emulsion A are formulated as shown in Table I.
  • Emulsions 1-6 are representative of the emulsions used in the beverages of the present invention, while Comparative Emulsion A represents an emulsion which is outside of the scope of the present invention.
  • the vitamins and artificial colors are dissolved in water, and the modified starch is added slowly with high shear mixing and mixed until thoroughly dissolved.
  • the acidulant is then added and mixed thoroughly until dissolved.
  • the oil ( a mixture of oil and oil-soluble vitamins) is added and mixed with high shear for sufficient time to thoroughly blend the mixture.
  • the preservative is added and mixed until dissolved, and the mixtures are homogenized under the conditions set forth in Table I.
  • the mean particle size and particle size distribution for the oil droplets dispersed within each emulsion are set forth in Table I.
  • Emulsions 1 and 2 have the same formulation, but are homogenized under different conditions, and therefore have different particle size distributions.
  • Emulsions 3 and 4 have the same formulation, but are homogenized under different conditions.
  • Emulsions 6 and Comparative Emulsion A have the same formulation, but are homogenized under different conditions.
  • Beverages are then formulated as shown in Table II, using Emulsions 1-6 and Comparative Emulsion A.
  • the thickener and the water are blended under high shear conditions until the thickener is thoroughly dissolved.
  • the remaining ingredients are added with sufficient mixing to thoroughly dissolve each material.
  • the beverages are sterilized and packed hot into glass bottles.
  • the stability for each of the beverage formulations is set forth in Table II.
  • the beverages which contain Emulsions 1-6 of the present invention have a stability of at least about 1 month.
  • the beverage which contains an emulsion in which the particle size distribution of the oil droplets within the emulsion is outside of the scope of the present invention (Comparative Emulsion A) has a stability of less than one month.
  • Beverage 1 has the same composition as Beverage 2
  • Beverage 3 has the same composition as Beverage 4
  • Beverage 6 has the same composition as Comparative beverage A.
  • Emulsions 7-9 and Comparative Emulsion B are formulated as shown in Table III.
  • Emulsions 7-9 are representative of the emulsions used in the beverages of the present invention, while Comparative Emulsion B represents an emulsion which is outside of the scope of the present invention.
  • the vitamins and artificial colors are dissolved in water, and the modified starch is added slowly with high shear mixing and mixed until thoroughly dissolved.
  • the acidulant is then added and mixed thoroughly until dissolved.
  • the oil is added and mixed with high shear for sufficient to thoroughly blend the mixture.
  • the preservative is added and mixed until dissolved, and the mixtures are homogenized under the conditions set forth in Table III.
  • the mean particle size and particle size distribution for the oil droplets dispersed within each emulsion are set forth in Table III.
  • Emulsions 9 and Comparative Emulsion B have the same formulation, but are homogenized under different conditions, and therefore have different particle size distributions.
  • Beverages are then formulated as shown in Table IV, using Emulsions 7-9 and Comparative Emulsion B.
  • a concentrate is first prepared as follows: the thickener and the water are mixed under high shear conditions until the thickener is thoroughly dissolved. The remaining ingredients are added with sufficient mixing to thoroughly dissolve each material. The beverages are then prepared by adding the required amounts of water and concentrate together, and mixing thoroughly. (Note: for Emulsions 8 and 9 and Comparative A, the oil comprises a blend of oil and oil-soluble vitamins).
  • the stability for each of the beverage formulations is set forth in Table IV.
  • the beverages which contain Emulsions 7-9 of the present invention have a stability of at least about 1 month.
  • the beverage which contains an emulsion in which the particle size distribution of the oil droplets within the emulsion is outside of the scope of the present invention (Comparative Emulsion B) has a stability of less than one month.
  • Beverage 9 has the same composition as Comparative Beverage B.

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  • Health & Medical Sciences (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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Claims (20)

  1. Produits de boisson stables, comprenant :
    (a) une émulsion de boisson huile-dans-eau comprenant une huile non chargée, de l'eau et un stabilisant qualité alimentaire, dans laquelle le rapport du stabilisant à l'huile dans l'émulsion est d'au moins 0,5:1,0, dans laquelle la taille moyenne de particule des gouttelettes d'huile dans l'émulsion va de 0,10 à 0,30 µm, et dans laquelle la distribution de taille de particule des gouttelettes d'huile dans l'émulsion est telle que moins de 3 % (sur la base du pourcentage en volume) des particules ont une taille de particule supérieure à 0,39 µm et moins de 9 % (sur la base du pourcentage en volume) des particules ont une taille de particule supérieure à 0,34 µm ; et
    (b) un jus de fruit et/ou une flaveur de fruit ou autre ;
    les produits de boisson étant stables pendant au moins 1 mois à des températures allant de 32 à 38 °C.
  2. Produits de boisson stables selon la revendication 1, qui comprennent de 0,2 à 5 % en poids d'une émulsion de boisson, de 0,001 à 80 % d'un jus de fruit et/ou d'une flaveur de fruit ou autre, et de 20 % à 99,8 % d'eau ajoutée, dans lesquels l'émulsion de boisson comprend :
    (a) de 3,0 % à 12,0 % en poids d'huile non chargée ;
    (b) de 70,0 % à 90,0 % en poids d'eau ; et
    (c) de 6,0 % à 15,0 % en poids de stabilisant qualité alimentaire.
  3. Produits de boisson stables selon la revendication 2, dans lesquels le stabilisant qualité alimentaire comprend un amidon modifié par du succinate d'octényle.
  4. Produits de boisson stables selon la revendication 3, dans lesquels la boisson comprend de 0,01 à 20 % d'un jus de fruit et/ou d'une flaveur de fruit ou autre, et de 70 % à 99,8 % d'eau ajoutée.
  5. Produits de boisson stables selon la revendication 4, dans lesquels la boisson contient en outre de 0,01 à 20,0 % en poids d'un édulcorant.
  6. Produits de boisson stables selon la revendication 5, dans lesquels la boisson comprend en outre de 0,0025 % à 0,2 % d'un épaississant.
  7. Produits de boisson stables selon la revendication 6, dans lesquels le rapport du stabilisant à l'huile dans l'émulsion va de 0,5:1 à 3:1.
  8. Produits de boissons stables selon la revendication 7, dans lesquels la distribution de taille de particule des gouttelettes d'huile dans l'émulsion est telle que moins de 1% des particules ont une taille de particule supérieure à 0,39 µm et moins de 3 % des particules ont une taille de particule supérieure à 0,34 µm.
  9. Produits de boisson selon la revendication 8, dans lesquels la taille moyenne de particule des gouttelettes d'huile dans l'émulsion va de 0,15 à 0,25 µm.
  10. Produits de boisson selon la revendication 9, qui ont une stabilité d'au moins 2 mois à des températures allant de 32 à 38 °C.
  11. Produits de boisson stables selon la revendication 10, qui comprennent en outre de 0,02 à 0,30 % en poids d'un conservateur, dans lesquels l'épaississant comprend un mélange de carboxyméthylcellulose et de gomme xanthane, et dans lesquels l'huile non chargée dans l'émulsion comprend une huile de tournesol à haute teneur en acide oléique.
  12. Produits de boisson stables selon la revendication 11, qui sont non gazéifiés.
  13. Produit de boisson stable selon la revendication 12, dans lequel on fait passer l'émulsion à travers un homogénéisateur de deux à cinq fois et dans lequel l'homogénéisateur opère à une pression allant de 20670 à 62010 kPa (3000 à 9000 psig) et l'émulsion est maintenue à une température allant de la température ambiante à 88 °C.
  14. Produits de boisson stables selon la revendication 13, dans lesquels l'homogénéisateur opère à une pression allant de 27560 à 48230 kPa (4000 à 7000 psig).
  15. Procédé pour préparer des produits de boisson stables, ce procédé comprenant l'incorporation, dans la boisson, d'une émulsion de boisson huile-dans-eau, cette émulsion comprenant une huile non chargée, de l'eau et un stabilisant alimentaire, dans lequel le rapport du stabilisant à l'huile dans l'émulsion est d'au moins 0,5:1, dans lequel la taille moyenne de particule des gouttelettes d'huile dans l'émulsion va de 0,10 à 0,30 µm, et dans lequel la distribution de taille de particule des gouttelettes d'huile dans l'émulsion est telle que moins de 3 % (sur la base du pourcentage en volume) des particules ont une taille de particule supérieure à 0,39 µm et moins de 9 % (sur la base du pourcentage en volume) des particules ont une taille de particule supérieure à 0,34 µm ; et dans lequel la boisson comprend en plus un jus de fruit et/ou une flaveur de fruit ou autre ; et dans lequel les produits de boisson sont stables pendant au moins 1 mois à des températures allant de 32 à 38 °C.
  16. Procédé selon la revendication 15, dans lequel les produits de boisson comprennent de 0,2 % à 5 % d'une émulsion de boisson, de 0,001 à 80 % d'un jus de fruit et/ou d'une flaveur de fruit ou autre, et de 20 % à 99,8 % d'eau ajoutée et dans lequel l'émulsion de boisson comprend :
    (a) de 3,0 % à 12,0 % en poids d'huile non chargée ;
    (b) de 70,0 % à 90,0 % en poids d'eau ; et
    (c) de 6,0 % à 15,0 % en poids de stabilisant qualité alimentaire.
  17. Procédé selon la revendication 16, dans lequel le stabilisant qualité alimentaire comprend un amidon modifié par du succinate d'octényle.
  18. Procédé selon la revendication 17, dans lequel la boisson comprend de 0,01 à 20 % d'un jus de fruit et/ou d'une flaveur de fruit ou autre, et de 70 % à 99,8 % d'eau ajoutée.
  19. Procédé selon la revendication 18, dans lequel le rapport du stabilisant à l'huile dans l'émulsion va de 0,5:1 à 3:1.
  20. Procédé selon la revendication 19, dans lequel on fait passer l'émulsion à travers un homogénéisateur de deux à cinq fois et dans lequel l'homogénéisateur opère à une pression allant de 20670 à 62010 kPa (3000 à 9000 psig) et l'émulsion est maintenue à une température allant de la température ambiante à 88 °C.
EP96918497A 1995-07-19 1996-06-14 Boissons stables renfermant une emulsion contenant une huile non chargee Expired - Lifetime EP0839007B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US504166 1990-04-03
US08/504,166 US5616358A (en) 1995-07-19 1995-07-19 Stable beverages containing emulsion with unweighted oil and process of making
PCT/US1996/010350 WO1997003576A1 (fr) 1995-07-19 1996-06-14 Boissons stables renfermant une emulsion contenant une huile non chargee

Publications (2)

Publication Number Publication Date
EP0839007A1 EP0839007A1 (fr) 1998-05-06
EP0839007B1 true EP0839007B1 (fr) 2000-08-23

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EP96918497A Expired - Lifetime EP0839007B1 (fr) 1995-07-19 1996-06-14 Boissons stables renfermant une emulsion contenant une huile non chargee

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US (1) US5616358A (fr)
EP (1) EP0839007B1 (fr)
JP (1) JP3488469B2 (fr)
CN (1) CN1081449C (fr)
AT (1) ATE195634T1 (fr)
AU (1) AU6113796A (fr)
BR (1) BR9609709A (fr)
CA (1) CA2226929C (fr)
DE (1) DE69609977T2 (fr)
ES (1) ES2149484T3 (fr)
MX (1) MX9800566A (fr)
WO (1) WO1997003576A1 (fr)

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Also Published As

Publication number Publication date
CA2226929C (fr) 2002-05-14
ATE195634T1 (de) 2000-09-15
CN1193258A (zh) 1998-09-16
ES2149484T3 (es) 2000-11-01
US5616358A (en) 1997-04-01
AU6113796A (en) 1997-02-18
EP0839007A1 (fr) 1998-05-06
CA2226929A1 (fr) 1997-02-06
JPH11509421A (ja) 1999-08-24
DE69609977T2 (de) 2001-04-05
MX9800566A (es) 1998-04-30
BR9609709A (pt) 1999-07-06
DE69609977D1 (de) 2000-09-28
CN1081449C (zh) 2002-03-27
WO1997003576A1 (fr) 1997-02-06
JP3488469B2 (ja) 2004-01-19

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